.hr{
  margin-top: 30px;
  border-top: 1px solid #999;
}
.row {
  padding: 10px;
  background-color: #f3f3f3;
  margin-top: 30px;
  .tip {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
  }

  .btn_row {
    margin-top: 10px;
    display: flex;
    justify-content: center;
  }
}
